tmaffre
No doubts the problem with your dishwasher is a bad control panel. If the color of your dishwasher is black then the control panel with the part number AP3136031 is the right one. The break down diagrams for the Whirlpool dishwasher with the model number GU980SCGB3 you can find here: Model GU980SCGB3
If you need the complete step by step instructions how to replace the control panel on your dishwasher I'll be glad to help you.
Good luck.
Gene.

I ordered and received the part yesterday. I replaced the unit without any problems.
We are back in business.
What is the next most likely failure? Is it time to think about a new dishwasher?
Thank you

It's kind of impossible to predict what the next failure is going to be. You do have a pretty good dishwasher. I wouldn't worry about it unless you "want" a new dishwasher. Don't wash wine glasses in it and clean the dishwasher once a month with dishwasher magic (or vinegar).

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